397247126 has 8 divisors (see below), whose sum is σ = 630921960. Its totient is φ = 186939808.

The previous prime is 397247111. The next prime is 397247131. The reversal of 397247126 is 621742793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5841836 + ... + 5841903.

It is an arithmetic number, because the mean of its divisors is an integer number (78865245).

Almost surely, 2^397247126 is an apocalyptic number.

397247126 is a deficient number, since it is larger than the sum of its proper divisors (233674834).

397247126 is a wasteful number, since it uses less digits than its factorization.

397247126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11683758.

The product of its digits is 127008, while the sum is 41.

The square root of 397247126 is about 19931.0593295991. The cubic root of 397247126 is about 735.1121281415.

The spelling of 397247126 in words is "three hundred ninety-seven million, two hundred forty-seven thousand, one hundred twenty-six".